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Table 1 Intergroup comparison of clinical characteristics and echocardiographic parameters

From: Echo-Doppler–derived indexes of ventricular stiffness and ventriculo-arterial interaction as predictors of new-onset atrial fibrillation in patients with heart failure

Characteristic

Sinus rhythm

New-onset AF

p-value

 

(n = 292)

(n = 57)

 

Age (years)

61.2 ± 15.7

67.7 ± 12.8

*0.003

Male, n (%)

203 (69.5)

35 (61.4)

0.229

Body surface area (m2)

1.71 ± 0.23

1.68 ± 0.19

0.320

SBP (mmHg)

122.4 ± 23.3

115.4 ± 25.2

0.094

DBP (mmHg)

74.1 ± 16.0

68.1 ± 14.7

*0.032

Hypertension, n (%)

94 (32.2)

28 (49.1)

*0.014

Diabetes mellitus, n (%)

52 (17.8)

19 (33.3)

*0.008

Current smoker, n (%)

57 (19.5)

12 (21.1)

0.791

Ischemic CMP, n (%)

164 (56.2)

32 (56.1)

0.997

Chronic kidney disease, n (%)

29 (12.0)

10 (18.5)

0.264

BUN (mg/dL)

21.7 ± 14.9

24.4 ± 21.5

0.259

Creatinine (mg/dL)

1.4 ± 1.5

2.0 ± 2.3

0.095

BNP (pg/ml)

Median: 216.0 (81.8–749)

Median: 566.0(180.5-1302.5)

*0.011

Medications

   

 Antiplatelet agent, n (%)

218 (74.7)

46 (80.7)

0.400

 RAS blockade, n (%)

243 (83.2)

49 (86.0)

0.608

 Diuretics, n (%)

131 (44.9)

42 (73.7)

* < 0.001

 Beta blockade, n (%)

191 (65.4)

31 (54.4)

0.114

 Calcium channel blockade, n (%)

88 (30.1)

21 (36.8)

0.318

 Statin, n (%)

152 (52.1)

26 (45.6)

0.374

Echocardiographic parameters

   

 Ejection fraction (%)

36.9 ± 9.4

35.3 ± 10.3

0.249

 LVEDD (mm)

52.4 ± 7.1

52.4 ± 7.9

0.964

 LVESD (mm)

42.0 ± 8.1

42.3 ± 8.7

0.814

 LA-AP (mm)

37.8 ± 7.4

40.3 ± 7.5

*0.023

 LA-ML (mm)

43.9 ± 7.5

47.8 ± 8.7

*0.001

 LA-SI (mm)

52.8 ± 8.7

57.5 ± 9.7

* < 0.001

 LA volume index (mm3/m2)

28.4 ± 12.7

36.1 ± 14.8

* < 0.001

 LV mass index (g/m2)

73.8 ± 27.6

74.8 ± 18.9

0.738

 E velocity (m/s)

0.65 ± 0.23

0.79 ± 0.30

* < 0.001

 A velocity (m/s)

0.72 ± 0.22

0.71 ± 0.25

0.706

 E/A

1.02 ± 0.63

1.22 ± 0.75

*0.036

 E/DT (cm/s)

0.39 ± 0.27

0.55 ± 0.37

*0.003

 e’ (m/s)

0.05 ± 0.02

0.04 ± 0.02

0.278

 a’ (m/s)

0.08 ± 0.02

0.07 ± 0.03

*0.001

 S’ (m/s)

0.05 ± 0.02

0.05 ± 0.02

0.223

 E/e’

15.2 ± 6.8

19.1 ± 7.2

* < 0.001

 Ed (1/ml)

0.36 ± 0.22

0.47 ± 0.27

*0.009

 Ees (m/s)

1.02 ± 0.24

1.11 ± 0.37

0.195

 Ea (mmHg/ml)

2.67 ± 0.96

2.75 ± 1.43

0.717

 VVI

25.5 ± 9.1

32.1 ± 16.8

0.115

  1. Abbreviations: AF atrial fibrillation, CMP cardiomyopathy, BUN blood urea nitrogen, RAS renin-angiotensin system, LVEDD left ventricular end-diastolic dimension; LVESD, left ventricular end-systolic dimension; LA left atrial; AP anteroposterior; ML mediolateral; SI Superoinferior; DT Deceleration time; Ed left ventricular (LV) end-diastolic elastance; Ees, LV end-systolic elastance; Ea, effective arterial elastance; VVI, ventricular-vascular coupling index
  2. * p < 0.05